197084271 has 4 divisors (see below), whose sum is σ = 262779032. Its totient is φ = 131389512.

The previous prime is 197084243. The next prime is 197084273. The reversal of 197084271 is 172480791.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 197084271 - 2¹⁸ = 196822127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197084273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32847376 + ... + 32847381.

It is an arithmetic number, because the mean of its divisors is an integer number (65694758).

Almost surely, 2^197084271 is an apocalyptic number.

197084271 is a deficient number, since it is larger than the sum of its proper divisors (65694761).

197084271 is an equidigital number, since it uses as much as digits as its factorization.

197084271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65694760.

The product of its (nonzero) digits is 28224, while the sum is 39.

The square root of 197084271 is about 14038.6705567158. The cubic root of 197084271 is about 581.9477433271.

The spelling of 197084271 in words is "one hundred ninety-seven million, eighty-four thousand, two hundred seventy-one".